diff options
| -rw-r--r-- | support/Makefile | 1 | ||||
| -rw-r--r-- | support/xchdir.c | 28 | ||||
| -rw-r--r-- | support/xunistd.h | 1 |
3 files changed, 30 insertions, 0 deletions
diff --git a/support/Makefile b/support/Makefile index 3325feb790..a40a2f5bca 100644 --- a/support/Makefile +++ b/support/Makefile @@ -83,6 +83,7 @@ libsupport-routines = \ xasprintf \ xbind \ xcalloc \ + xchdir \ xchroot \ xclock_gettime \ xclose \ diff --git a/support/xchdir.c b/support/xchdir.c new file mode 100644 index 0000000000..beb4feff72 --- /dev/null +++ b/support/xchdir.c @@ -0,0 +1,28 @@ +/* chdir with error checking. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <support/check.h> +#include <support/xunistd.h> +#include <unistd.h> + +void +xchdir (const char *path) +{ + if (chdir (path) != 0) + FAIL_EXIT1 ("chdir (\"%s\"): %m", path); +} diff --git a/support/xunistd.h b/support/xunistd.h index 96f498f2e5..43799d92c5 100644 --- a/support/xunistd.h +++ b/support/xunistd.h @@ -44,6 +44,7 @@ long xsysconf (int name); long long xlseek (int fd, long long offset, int whence); void xftruncate (int fd, long long length); void xsymlink (const char *target, const char *linkpath); +void xchdir (const char *path); /* Equivalent of "mkdir -p". */ void xmkdirp (const char *, mode_t); |